WWII tactical submarine combat!Take command of a U-boat prowling the Atlantic in search of enemy convoys to sink. Sneak past the escorts and torpedo the transports. Or surface and use your deck gun in a daring night attack.When the escorts come after you, drop decoys and sneak away before they can crush you with their depth charges.Jump in for a quick convoy encounter, or launch a full-length War Patrol, seeking out the biggest, most valuable targets.Features:Smoothly blends a submarine simulator with arcade action.Provides the tools for both stealth and offense; you decide how aggressive you want to be.Multiple times of day allow for different play styles.Location-based damage/repair affects the performance of your sub.Random encounter generator for deep replayability.Four difficulty levels.Tutorial mode to help you learn the ropes.Mouse and Touch-screen interfaces.Global leaderboards.